// Popup
function popup(url,name,ww,wh,ovrigt) { 
pl = parseInt((screen.width/2)-(ww/2)); 
pt = parseInt((screen.height/2)-(wh/2)); 
window.open(url,name,"width="+ww+",height="+wh+",left="+pl+",top="+pt+","+ovrigt+""); 
}
function hidespan(pass) { 
var spans = document.getElementsByTagName('div'); 
for(i=0;i<spans.length;i++){ 
if(spans[i].id.match(pass)){//if they are 'see' spans 
if (document.getElementById) // DOM3 = IE5, NS6 
spans[i].style.display="none";// show/hide 
else 
if (document.layers) // Netscape 4 
document.layers[spans[i]].display = 'none'; 
else // IE 4 
document.all.hideshow.spans[i].display = 'none'; 
} 
} 
} 

function showspan(pass) { 
var spans = document.getElementsByTagName('div'); 
for(i=0;i<spans.length;i++){ 
if(spans[i].id.match(pass)){ 
if (document.getElementById) 
spans[i].style.display=""; 
else 
if (document.layers) // Netscape 4 
document.layers[spans[i]].display = ''; 
else // IE 4 
document.all.hideshow.spans[i].display = ''; 
} 
} 
}